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BOSTON MARATHON 2024

Koon Fung Chan

Bib: 5861•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 28%
Masters (Masters Men)
#0 / 9729
Top 16%
Division (M40-44)
#0 / 2009
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:26
Rank: #3861
Start → 5K
20:26 | 6:35/mi
10K· 6.21 mi
41:16
Rank: #4092 (-231)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:17
Rank: #4170 (-78)
10K → 15K
21:01 | 6:46/mi
20K· 12.43 mi
1:23:23
Rank: #4036 (+134)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:28:00
Rank: #4037 (-1)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:44
Rank: #3931 (+106)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:07:18
Rank: #3931
25K → 30K
22:34 | 7:16/mi
20M
2:18:04
Rank: #4118 (-187)
30K → 20M
10:46 | 7:55/mi
21M
2:27:21
Rank: #4406 (-288)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
2:32:28
Rank: #4257 (+149)
21M → 35K
5:07 | 6:50/mi
23M
2:42:51
Rank: #4362 (-105)
35K → 23M
10:23 | 8:18/mi
24M
2:50:47
Rank: #4360 (+2)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
2:58:12
Rank: #4447 (-87)
24M → 40K
7:25 | 8:40/mi
25.2M
3:01:33
Rank: #4496 (-49)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:09:33
Rank: #4546 (-50)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:41:33
Pace7:45 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2920:266:3520:26
6:35
-
10K
6.21 mi10:45:1941:166:3820:50
6:42
+0:07
15K
9.32 mi11:06:201:02:176:4121:01
6:46
+0:04
20K
12.43 mi11:27:261:23:236:4321:06
6:47
+0:01
Half
13.11 mi11:32:031:28:006:434:37
6:46
-0:01
25K
15.53 mi11:48:471:44:446:4516:44
6:54
+0:08
30K
18.64 mi12:11:212:07:186:5022:34
7:16
+0:22
20M
20.00 mi12:22:072:18:046:5410:46
7:55
+0:39
21M
21.00 mi12:31:242:27:217:019:17
9:17
+1:22
35K
21.75 mi12:36:312:32:287:015:07
6:50
-2:27
23M
23.00 mi12:46:542:42:517:0510:23
8:18
+1:28
24M
24.00 mi12:54:502:50:477:077:56
7:56
-0:22
40K
24.85 mi13:02:152:58:127:107:25
8:40
+0:44
25.2M
25.20 mi13:05:363:01:337:123:21
9:43
+1:03
Finish
26.22 mi13:13:363:09:337:148:00
7:51
-1:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:35 /mi

Average Pace

7:14 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:54

35% of race

Time at Steady Pace

1:05:31

35% of race

Time at Slower Pace

57:08

30% of race

Average Pace: 7:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:2920:266:3520:26
6:35
#3861
10K
6.21 mi10:45:1941:166:3820:50
6:42
#4092
15K
9.32 mi11:06:201:02:176:4121:01
6:46
#4170
20K
12.43 mi11:27:261:23:236:4321:06
6:47
#4036
Half
13.11 mi11:32:031:28:006:434:37
6:46
#4037
25K
15.53 mi11:48:471:44:446:4516:44
6:54
#3931
30K
18.64 mi12:11:212:07:186:5022:34
7:16
#3931
20M
20.00 mi12:22:072:18:046:5410:46
7:55
#4118
21M
21.00 mi12:31:242:27:217:019:17
9:17
#4406
35K
21.75 mi12:36:312:32:287:015:07
6:50
#4257
23M
23.00 mi12:46:542:42:517:0510:23
8:18
#4362
24M
24.00 mi12:54:502:50:477:077:56
7:56
#4360
40K
24.85 mi13:02:152:58:127:107:25
8:40
#4447
25.2M
25.20 mi13:05:363:01:337:123:21
9:43
#4496
Finish
26.22 mi13:13:363:09:337:148:00
7:51
#4546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3861365436544454(Top 17%)4152(Top 28%)4152(Top 207%)
10K6.21 mi3.10 mi4092-2313859-2053859-2054392(Top 17%)4105(Top 28%)4105(Top 204%)
15K9.32 mi3.11 mi4170-783913-543913-544454(Top 17%)4152(Top 28%)4152(Top 207%)
20K12.43 mi3.11 mi4036+1343799+1143799+1143820(Top 15%)3584(Top 25%)3584(Top 178%)
Half13.11 mi0.68 mi4037-13800-13800-14364(Top 17%)4031(Top 28%)4031(Top 201%)
25K15.53 mi2.42 mi3931+1063697+1033697+1033830(Top 15%)3552(Top 24%)3552(Top 177%)
30K18.64 mi3.11 mi39313682+153682+154060(Top 16%)3664(Top 25%)3664(Top 182%)
20M20.00 mi1.36 mi4118-1873823-1413823-1416370(Top 25%)5070(Top 35%)5070(Top 252%)
21M21.00 mi1.00 mi4406-2884047-2244047-2249896(Top 39%)6687(Top 46%)6687(Top 333%)
35K21.75 mi0.75 mi4257+1493907+1403907+1402471(Top 10%)2247(Top 15%)2247(Top 112%)
23M23.00 mi1.25 mi4362-1053978-713978-717348(Top 29%)5246(Top 36%)5246(Top 261%)
24M24.00 mi1.00 mi4360+23947+313947+316309(Top 25%)4616(Top 32%)4616(Top 230%)
40K24.85 mi0.85 mi4447-873988-413988-419312(Top 36%)6032(Top 41%)6032(Top 300%)
25.2M25.20 mi0.35 mi4496-494012-244012-249794(Top 38%)6205(Top 43%)6205(Top 309%)
Finish26.22 mi1.02 mi4546-504030-184030-187677(Top 30%)5231(Top 36%)5231(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4454

Males

4152

M40-44

4152

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4392

Males

4105

M40-44

4105

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4454

Males

4152

M40-44

4152

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3820

Males

3584

M40-44

3584

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4364

Males

4031

M40-44

4031

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3830

Males

3552

M40-44

3552

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4060

Males

3664

M40-44

3664

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6370

Males

5070

M40-44

5070

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

9896

Males

6687

M40-44

6687

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2471

Males

2247

M40-44

2247

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7348

Males

5246

M40-44

5246

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6309

Males

4616

M40-44

4616

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9312

Males

6032

M40-44

6032

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9794

Males

6205

M40-44

6205

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7677

Males

5231

M40-44

5231

Passing Analysis

Category:
Athletes Passed
1292
Passed By
1977
Net Change
-685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3861
5K → 10K93324-231#3861#4092
10K → 15K100178-78#4092#4170
15K → 20K21884+134#4170#4036
20K → Half2223-1#4036#4037
Half → 25K16963+106#4037#3931
25K → 30K1891890#3931#3931
30K → 20M63250-187#3931#4118
20M → 21M35323-288#4118#4406
21M → 35K1523+149#4406#4257
35K → 23M61166-105#4257#4362
23M → 24M8482+2#4362#4360
24M → 40K40127-87#4360#4447
40K → 25.2M2372-49#4447#4496
25.2M → Finish4393-50#4496#4546
TOTALS12921977-685
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing